Code No. P0335: Crank Angle Sensor System




OPERATION



FUNCTION



TROUBLE JUDGMENT


Check Conditions
Judgment Criteria

PROBABLE CAUSE



DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III data list

  • Refer to Data List Reference Table .

    1. Item 22: Crank angle sensor

Q. Is the check result normal?

Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points ).
Go to Step 2 .

STEP 2. Connector check: B-121 crank angle sensor intermediate connector

Q. Is the check result normal?

Go to Step 3 .

Repair or replace.

STEP 3. Perform voltage measurement at B-121 crank angle sensor intermediate connector.


  • Disconnect connector, and measure at harness side.
  • Ignition switch: ON
  • Voltage between terminal No. 2 and earth.
OK: 4.9 - 5.1 V

Q. Is the check result normal?

Go to Step 9 .

Go to Step 4 .

STEP 4. Perform voltage measurement at C-112 engine-A/T-ECU connector.



  • Measure engine-A/T-ECU terminal voltage.
  • Disconnect B-121 crank angle sensor intermediate connector.
  • Ignition switch: ON
  • Voltage between terminal No. 70 and earth.
OK: 4.9 - 5.1 V

Q. Is the check result normal?

Go to Step 5 .

Go to Step 6 .

STEP 5. Connector check: C-112 engine-A/T-ECU connector


Q. Is the check result normal?


    Check and repair harness between B-121 (terminal No. 2) crank angle sensor intermediate connector and C-112 (terminal No. 70) engine-A/T-ECU connector.

    • Check output line for open circuit.

Repair or replace.

STEP 6. Connector check: C-112 engine-A/T-ECU connector

Q. Is the check result normal?

Go to Step 7 .

Repair or replace.

STEP 7. Check harness between B-121 (terminal No. 2) crank angle sensor intermediate connector and C-112 (terminal No. 70) engine-A/T-ECU connector.



  • Check output line for short circuit.

Q. Is the check result normal?

Go to Step 8 .

Repair.

STEP 8. M.U.T.-III data list

  • Refer to Data List Reference Table .

    1. Item 22: Crank angle sensor

Q. Is the check result normal?

Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points ).
Replace engine-A/T-ECU.

STEP 9. Perform voltage measurement at B-121 crank angle sensor intermediate connector.


  • Disconnect connector, and measure at harness side.
  • Ignition switch: ON
  • Voltage between terminal No. 1 and earth.
OK: System voltage

Q. Is the check result normal?

Go to Step 11 .

Go to Step 10 .

STEP 10. Connector check: B-15X engine control relay connector


Q. Is the check result normal?


    Check intermediate connector C-116, and repair if necessary. If intermediate connector is normal, check and repair harness between B-121 (terminal No. 1) crank angle sensor intermediate connector and B-15X (terminal No. 1) engine control relay connector.

    • Check power supply line for open/short circuit.

Repair or replace.

STEP 11. Perform resistance measurement at B-121 crank angle sensor intermediate connector.


  • Disconnect connector, and measure at harness side.
  • Resistance between terminal No. 3 and earth.
OK: 2 Ω or less

Q. Is the check result normal?

Go to Step 14 .

Go to Step 12 .

STEP 12. Connector check: C-112 engine-A/T-ECU connector

Q. Is the check result normal?

Go to Step 13 .

Repair or replace.

STEP 13. Check harness between B-121 (terminal No. 3) crank angle sensor intermediate connector and C-112 (terminal No. 88) engine-A/T-ECU connector.


note Before checking harness, check intermediate connector C-116, and repair if necessary.

  • Check earthing line for open circuit and damage.

Q. Is the check result normal?

Go to Step 8 .

Repair.

STEP 14. Perform output wave pattern measurement at B-121 crank angle sensor intermediate connector (Using an oscilloscope).


  • Use special tool test harness (MB991658) to connect connector, and measure at pick-up harness.
  • Engine: Idling
  • Transmission: P range
  • Voltage between terminal No. 2 and earth.
OK: Waveforms should be displayed on inspection procedure using an oscilloscope (Refer to ), its maximum value should be 4.8 V or more, and its minimum value should be 0.6 V or less with no noise in waveform.

Q. Is the check result normal?

Go to Step 8 .

Go to Step 15 .

STEP 15. Connector check: B-15X engine control relay connector

Q. Is the check result normal?

Go to Step 16 .

Repair or replace.

STEP 16. Check harness between B-121 (terminal No. 1) crank angle sensor intermediate connector and B-15X (terminal No. 1) engine control relay connector.


note Before checking harness, check intermediate connector C-116, and repair if necessary.

  • Check power supply line for damage.

Q. Is the check result normal?

Go to Step 17 .

Repair.

STEP 17. Connector check: C-112 engine-A/T-ECU connector

Q. Is the check result normal?

Go to Step 18 .

Repair or replace.

STEP 18. Check harness between B-121 (terminal No. 2) crank angle sensor intermediate connector and C-112 (terminal No. 70) engine-A/T-ECU connector.



  • Check output line for damage.

Q. Is the check result normal?

Go to Step 19 .

Repair.

STEP 19. Check harness between B-121 (terminal No. 3) crank angle sensor intermediate connector and C-112 (terminal No. 88) engine-A/T-ECU connector.


note Before checking harness, check intermediate connector C-116, and repair if necessary.

  • Check earthing line for damage.

Q. Is the check result normal?

Go to Step 20 .

Repair.

STEP 20. Connector check: B-121-1 crank angle sensor connector

Q. Is the check result normal?

Go to Step 21 .

Repair or replace.

STEP 21. Check harness between B-121 crank angle sensor intermediate connector and B-121-1 crank angle sensor connector.



  • Check power supply line open/short circuit and damage.
  • Check output line open/short circuit and damage.
  • Check earthing line for open/short circuit and damage.

Q. Is the check result normal?

Go to Step 22 .

Replace the timing belt cover.

STEP 22. Check the crankshaft sensing blade.

Q. Is the check result normal?

Go to Step 23 .
Replace the crankshaft sensing blade.

STEP 23: M.U.T.-III data list

  • Refer to Data list reference table .

    1. Item 22: Crank angle sensor

Q. Is the check result normal?

Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points ).
Replace crank angle sensor.